#3F294E
Closest named color: Space Cadet (#2B2D42). oklch(32.5% 0.069 310.4), rgb(63, 41, 78).
Aa
White text reads best on this color (12.81:1).
About this color
#3F294E is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.069 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.046 away. White text reads best on it, at 12.81:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.63:1 |
| White text | 12.81:1 |
Values
| HEX | #3F294E |
| RGB | rgb(63, 41, 78) |
| HSL | hsl(276, 31%, 23%) |
| OKLCH | oklch(32.5% 0.069 310.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3F294E | 12.81:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3F294E | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #3F294E text on white | 12.81:1 | AAA | Lc 98.8 | Preferred for body text |
| #3F294E text on black | 1.63:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E8
oklch(88.5% 0.03 310.1)
-
Step 300
300
#CBB8DA
oklch(80.9% 0.051 310.2)
-
Step 400
400
#B192C7
oklch(70.7% 0.083 310.8)
-
Step 500
500
#9D77B9
oklch(63.1% 0.105 310)
-
Step 600
600
#885EA5
oklch(55.5% 0.116 310.3)
-
Step 700
700
#744E8D
oklch(49.2% 0.106 310.8)
-
Step 800
800
#5E4073
oklch(42.7% 0.089 310.2)
-
Step 900
900 (this color)
#3F294E
oklch(32.5% 0.069 310.4)
-
Step 950
950
#2D2036
oklch(26.9% 0.044 310.7)
#3F294E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #21314F | 0.054 |
| Deuteranopia (no green cones) | #27324D | 0.048 |
| Tritanopia (no blue cones) | #3D2F37 | 0.050 |
| Achromatopsia (no color) | #323232 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F294E
#3F294E
oklch(32.5% 0.069 310.4)
- #283B11
#283B11
oklch(32.5% 0.069 130.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F294E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.061
- Onyx #343A40 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.072
- Deep Violet #490648 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Plum Purple #4E0550 ΔE 0.073
Use #3F294E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.